The Enforcement Directorate is questioning Congress leader Rahul Gandhi on the second day today in connection with the money laundering probe into the National Herald case. The agency had questioned Mr Gandhi for about 10 hours yesterday.<br />''<br />''Senior Congress leader P. Chidambaram has criticised the ED over Rahul Gandhi's probe. Mr. Chidambaram said that the Congress party is protesting against misuse of law. He said, if ED follows the law, then there would be no problem, but ED is not following the law.